Ketamine is a dissociative anesthetic and substance of abuse. Numerous effects can result
from the abuse of ketamine. Death from acute direct toxicity is rare. Ketamine can alter …

Is there a theory that explains the essence of consciousness? Or is consciousness itself an
illusion? Am I conscious now? Now considered the'last great mystery of science' …

Background A weakened sense of self may contribute to psychotic experiences. Body
ownership, one component of self-awareness, can be studied with the rubber hand illusion …

The real or perceived proximity to death often results in a non-ordinary state of
consciousness characterized by phenomenological features such as the perception of …

Ever since the modern rediscovery of psychedelic substances by Western society, several
authors have independently proposed that their effects bear a high resemblance to the …

For the past decade, ketamine, an N-methyl-D-aspartate receptor (NMDAr) antagonist, has
been considered a promising treatment for major depressive disorder (MDD). Unlike the …

Acetylcholine is a neurotransmitter and neuromodulator involved in a variety of cognitive
functions. Additionally, acetylcholine is involved in the regulation of REM sleep: cholinergic …

" Consciousness is widely perceived as one of the most fundamental, interesting and difficult
problems of our time. However, we still know next to nothing about the relationship between …

The present narrative review is the first in a series of reviews about the appropriate conduct
in substance-assisted psychotherapy (SAPT). It outlines a current perspective …

Near-death experiences are vivid, life-changing experiences occurring to people who come
close to death. Because some of their features, such as enhanced cognition despite …